11981190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 31997952

約数和(自身を除く): 20016762

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 991, 1209, 1982, 2015, 2418, 2973, 4030, 4955, 5946, 6045, 9910, 12090, 12883, 14865, 25766, 29730, 30721, 38649, 61442, 64415, 77298, 92163, 128830, 153605, 184326, 193245, 307210, 386490, 399373, 460815, 798746, 921630, 1198119, 1996865, 2396238, 3993730, 5990595, 11981190]

約数ペア:

[(1, 11981190), (2, 5990595), (3, 3993730), (5, 2396238), (6, 1996865), (10, 1198119), (13, 921630), (15, 798746), (26, 460815), (30, 399373), (31, 386490), (39, 307210), (62, 193245), (65, 184326), (78, 153605), (93, 128830), (130, 92163), (155, 77298), (186, 64415), (195, 61442), (310, 38649), (390, 30721), (403, 29730), (465, 25766), (806, 14865), (930, 12883), (991, 12090), (1209, 9910), (1982, 6045), (2015, 5946), (2418, 4955), (2973, 4030)]